A high Q tuned circuit will permit an amplifier to have high __________________?

Related Mcqs:

1. The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is _______________?

   A. 455 kHz
   B. 1310 kHz
   C. 1500 kHz
   D. 1520 kHz

2. In a TRF radio receiver, the RF and detection stages are tuned to______________?

   A. Radio frequency
   B. IF
   C. Audio frequency
   D. None of the above

3. If a radio receiver amplifies all the signal frequencies equally well, it is said to have high ________________?

   A. Sensitivity
   B. Selectivity
   C. Distortion
   D. Fidelity

4. At 100% modulation, the power in each sideband is _____________ of that of carrier?

   A. 50%
   B. 40%
   C. 60%
   D. 25%

5. In an AM wave, the majority of the power is in _____________?

   A. Lower sideband
   B. Upper sideband
   C. Carrier
   D. None of the above

6. In TV transmission, picture signal is ______________ modulated?

   A. Frequency
   B. Phase
   C. Amplitude
   D. None of the above

7. In radio transmission, the medium of transmission is ________________?

   A. Space
   B. An antenna
   C. Cable
   D. None of the above

8. In a radio receiver, we generally use ………….. oscillator as a local oscillator

   A. Crystal
   B. Wien-bridge
   C. Phase-shift
   D. Hartley

9. If Amin = 40 and Amax = 60, what is the percentage of modulation?

   A. 20 %
   B. 40 %
   C. 50 %
   D. 10 %

10. The major advantage of FM over AM is__________________?

    A. Reception is less noisy
    B. Higher carrier frequency
    C. Smaller bandwidth
    D. Small frequency deviation